Lab 5 Sensory Perception

Question 1

Visual

Answer 1

Vision, light, photoreceptor, rods,cones

Question 2

auditory

Answer 2

hearing, sund, mechanoreceptor,hair cells (cochlea)

Question 3

vestibular

Answer 3

gravity, mechanoreceptors,hair cells(vestibular labyrinth)

Question 4

somatosensory

Answer 4

somatic senses : touc, proprioception, temperature sense, pain, itch

Question 5

touch

Answer 5

pressure,mecha,cutaneous mechanoreceptor

Question 6

prioception

Answer 6

displacement,mechanore, muscle and joint receptors

Question 7

temperature

Answer 7

thermal, thermorecep, cold and warm receptors

Question 8

pain

Answer 8

chemical thermal mechanical, chemorecept, thermo, mecha, polymoidal/thermal/mechani nociceptors

Question 9

itch

Answer 9

chemical chemorrecptor, chemical nociceptor

Question 10

Gustatory

Answer 10

taste, chemical, chemorecpeor, taste buds

Question 11

olfactory

Answer 11

smell, chemical, chemorec, olfactory sensory neurons

Question 12

a decrease in sensitivity of the receptor despite maintenance of a constant strength stimuli

Answer 12

receptor adaptation

Question 13

receptors produce action potentials as long as the stimulus persits

Answer 13

tonic or slow adaptation (cold)

Question 14

receptors cause action potentials to be generated initially but return to their resting potential even though the stimulus continues to exist (heat)

Answer 14

phasic or fast adapting sensory receptor

Question 15

the area on the skin that activates a sensory neuron

Answer 15

receptive field

Question 16

the perception of the stimulus occurs in the cerebral cortex and causes characteristics electrical activity in different parts of the cortex

Answer 16

somatosensory receptors

Question 17

Meissner’s

Answer 17

fine touch,light pressure- rapid adaptation

Question 18

hair root plexus

Answer 18

touch, hair deflection, brushing, rapid/slow

Question 19

free nerve endings

Answer 19

pain, temperature

Question 20

pacinian corpuscle

Answer 20

deep pressure and vibration, rapid

Question 21

merkels disc

Answer 21

touch, steady indentation, pressure, slow

Question 22

ruffini’s end organ

Answer 22

deep pressure and stretch stimuli, rapid indentation, stretch, slow

Question 23

somatosensory are not uniformly distributed instead they are

Answer 23

clustered or have different discrete locations

Question 24

firing range

Answer 24

intensity

Question 25

time course

Answer 25

duration

Question 26

touch a subject with one point ask for description of where the touch occurred

Answer 26

tactile localization

Question 27

used drafting compass with the point far apart determine 2 points

Answer 27

two point discrimination

Question 28

two and half spirally coiled structure in the internal ear , contains the organ of corti on the spinal organ which is associate with sound perception

Answer 28

cochlea

Question 29

sound waves enter through oval window then...

Answer 29

travel to 3 chambers ; cochlear duct, scala vestibuli, turbulence, scala media

Question 30

electrical impulses generated by hair cells are transmitted by cochear branch of __

Answer 30

vestibulocochlear, VII cranial nerve

Question 31

tuning fork used to determine the type of hearing loss

Answer 31

hearing test

Question 32

auditory impulses from cochlea are not transmitted to the auditory cortex in the temporal lobes

Answer 32

sensorineural deafness

Question 33

when sound is poorly conducted by bones of the skull from ear drum to the oval window

Answer 33

conduction deafness

Question 34

test performed to check deafness : tuning fork in middle of forhead ; for sensorineural

Answer 34

weber's test

Question 35

sound heard in the middle of his head

Answer 35

normal

Question 36

tone heard better in one ear and not on the other

Answer 36

abnormal

Question 37

patient has conduction deafness when

Answer 37

patient heard louder sound in the deaf ear than in the normal ear

Question 38

deaf ear

Answer 38

attenuation reflex is ineffective on ear resulting in the sound to be heard louder

Question 39

test that allows differentiation between sensorineural and conduction deafness

Answer 39

Rinne's Test

Question 40

better hearing in deaf ear

Answer 40

conduction deafness

Question 41

better hearing in the normal ear

Answer 41

sensorineural deafness

Question 42

vestibular system

Answer 42

equilibrium

Question 43

play important role in equilibrium

Answer 43

crista ampularis

Question 44

help maintain static equilibrium / horizontal or vertical

Answer 44

maculae

Question 45

refers to the reflex responses seen when the eyes follow a moving object

Answer 45

nystagmus

Question 46

false sensation either the person or his world is rotating; sensation of dizziness

Answer 46

vertigo

Question 47

gravity sensors in the vestibule

Answer 47

maculae

Question 48

gelaniuos material contaiing small grains of calcium carbonate (otoliths)

Answer 48

otolithic membrane

Question 49

response to dim light and provide blurry image gray tones

Answer 49

rods

Question 50

yellow spot, respond only to bright light but provide sharply focused color images

Answer 50

cones

Question 51

pigment made up of vitamin A and protein, enables color vision

Answer 51

rhodopsin

Question 52

inability to see or distinguish between the different colors

Answer 52

color blindess

Question 53

test used to detect color vision

Answer 53

Ishihara Charts

Question 54

autonomic reflex that controls pupil size

Answer 54

accomodation

Question 55

lens of the eyes changes shape in order to accommodate the image on the retina

Answer 55

near point of vision

Question 56

where the photoreceptors are absent hence there is no visual input to the visual cortex

Answer 56

blind spot

Question 57

visual acuity test

Answer 57

snellen chart

Question 58

used to determine or test for field of vision for each eye

Answer 58

perimeter